66   void BGThread(size_t thread_id);
86   bool IsLastExcessiveThread(size_t thread_id) const {  in IsLastExcessiveThread()
87     return HasExcessiveThread() && thread_id == bgthreads_.size() - 1;  in IsLastExcessiveThread()
90   bool IsExcessiveThread(size_t thread_id) const {  in IsExcessiveThread()
91     return static_cast<int>(thread_id) >= total_threads_limit_;  in IsExcessiveThread()
187 void ThreadPoolImpl::Impl::BGThread(size_t thread_id) {  in BGThread()  argument
195     while (!exit_all_threads_ && !IsLastExcessiveThread(thread_id) &&  in BGThread()
196            (queue_.empty() || IsExcessiveThread(thread_id))) {  in BGThread()
208     if (IsLastExcessiveThread(thread_id)) {  in BGThread()
274   BGThreadMetadata(ThreadPoolImpl::Impl* thread_pool, size_t thread_id)  in BGThreadMetadata()
275       : thread_pool_(thread_pool), thread_id_(thread_id) {}  in BGThreadMetadata()
280   size_t thread_id = meta->thread_id_;  in BGThreadWrapper()  local
307   tp->BGThread(thread_id);  in BGThreadWrapper()